D03.9
Billable codeMelanoma in situ, unspecified
The ICD-10 code for melanoma in situ, unspecified is D03.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D03.0Melanoma in situ of lip
- D03.1Melanoma in situ of eyelid, including canthusnon-billable header
- D03.2Melanoma in situ of ear and external auricular canalnon-billable header
- D03.3Melanoma in situ of other and unspecified parts of facenon-billable header
- D03.4Melanoma in situ of scalp and neck
- D03.5Melanoma in situ of trunknon-billable header
- D03.6Melanoma in situ of upper limb, including shouldernon-billable header
- D03.7Melanoma in situ of lower limb, including hipnon-billable header
- D03.8Melanoma in situ of other sites
- D03.9Melanoma in situ, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1729Approximate match
Associated MS-DRGs
D03.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 595Major Skin Disorders with MCC
- DRG 596Major Skin Disorders without MCC